Audio: Add VTS tests for invalid enum-strings, Part 1b am: 9139399bad am: 45e6ec48c9 am: 57a33c7b44

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1543608

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6ded80053fb38e6b1c7f87507f5de29417e34a4c